43oh is starting a new series on products which contain the MSP430 controller. Below is the first of the series.
This is an iFixit teardown from August 2013. Looks like the Motorola Moto X is sporting an MSP430F5259 controller( 128Kb Flash and 32Kb RAM ). We are not sure what it controls, but feel free to guess its function in the comments below. iFixit has a much higher resolution of the photo if you really want to peek around those components.